-15=3(6a-9)

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Solution for -15=3(6a-9) equation: 



-15=3(6a-9)

We move all terms to the left:

-15-(3(6a-9))=0



We calculate terms in parentheses: -(3(6a-9)), so:

3(6a-9)

We multiply parentheses

18a-27

Back to the equation:

-(18a-27)



We get rid of parentheses

-18a+27-15=0

We add all the numbers together, and all the variables

-18a+12=0

We move all terms containing a to the left, all other terms to the right

-18a=-12

a=-12/-18

a=2/3

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